KUKA Error 1499 — ANALOG OUTPUT ALREADY IN USE
ErrorDisplayed as KSS01499 on KRC4 / KRC5 controllers
KUKA 1499 (“ANALOG OUTPUT ALREADY IN USE”): In the program, an analog output is assigned a second time for cyclical analog output, for example: -- SIGNAL SIG1 $ANOUT[1] -- SIGNAL SIG2 $ANOUT[1] -- ANOUT ON SIG1 = .... First check: Switch off the cyclical analog output: ANOUT OFF SIGNALNAME.
Updated 2026-09-09 · LogrobotLM reference
Cause
In the program, an analog output is assigned a second time for cyclical analog output, for example: -- SIGNAL SIG1 $ANOUT[1] -- SIGNAL SIG2 $ANOUT[1] -- ANOUT ON SIG1 = .... -- ANOUT ON SIG2 = ....
Effect
Stop via braking ramp. All active commands are inhibited.
Troubleshooting
Switch off the cyclical analog output: ANOUT OFF SIGNALNAME.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →